//
//===----------------------------------------------------------------------===//
+#include "NVPTXAsmPrinter.h"
+#include "InstPrinter/NVPTXInstPrinter.h"
+#include "MCTargetDesc/NVPTXMCAsmInfo.h"
#include "NVPTX.h"
#include "NVPTXInstrInfo.h"
-#include "NVPTXTargetMachine.h"
+#include "NVPTXMCExpr.h"
#include "NVPTXRegisterInfo.h"
-#include "NVPTXAsmPrinter.h"
-#include "MCTargetDesc/NVPTXMCAsmInfo.h"
-#include "NVPTXNumRegisters.h"
-#include "../lib/CodeGen/AsmPrinter/DwarfDebug.h"
+#include "NVPTXTargetMachine.h"
+#include "NVPTXUtilities.h"
+#include "cl_common_defines.h"
#include "llvm/ADT/StringExtras.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/Function.h"
-#include "llvm/Module.h"
+#include "llvm/Analysis/ConstantFolding.h"
+#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/Analysis.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/DerivedTypes.h"
-#include "NVPTXUtilities.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TimeValue.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include <sstream>
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Assembly/Writer.h"
-#include "cl_common_defines.h"
-
-
using namespace llvm;
-
-#include "NVPTXGenAsmWriter.inc"
-
-bool RegAllocNilUsed = true;
-
#define DEPOTNAME "__local_depot"
static cl::opt<bool>
-EmitLineNumbers("nvptx-emit-line-numbers",
+EmitLineNumbers("nvptx-emit-line-numbers", cl::Hidden,
cl::desc("NVPTX Specific: Emit Line numbers even without -G"),
cl::init(true));
-namespace llvm {
-bool InterleaveSrcInPtx = false;
+static cl::opt<bool>
+InterleaveSrc("nvptx-emit-src", cl::ZeroOrMore, cl::Hidden,
+ cl::desc("NVPTX Specific: Emit source line in ptx file"),
+ cl::init(false));
+
+namespace {
+/// DiscoverDependentGlobals - Return a set of GlobalVariables on which \p V
+/// depends.
+void DiscoverDependentGlobals(const Value *V,
+ DenseSet<const GlobalVariable *> &Globals) {
+ if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
+ Globals.insert(GV);
+ else {
+ if (const User *U = dyn_cast<User>(V)) {
+ for (unsigned i = 0, e = U->getNumOperands(); i != e; ++i) {
+ DiscoverDependentGlobals(U->getOperand(i), Globals);
+ }
+ }
+ }
}
-static cl::opt<bool, true>InterleaveSrc("nvptx-emit-src",
- cl::ZeroOrMore,
- cl::desc("NVPTX Specific: Emit source line in ptx file"),
- cl::location(llvm::InterleaveSrcInPtx));
+/// VisitGlobalVariableForEmission - Add \p GV to the list of GlobalVariable
+/// instances to be emitted, but only after any dependents have been added
+/// first.
+void VisitGlobalVariableForEmission(
+ const GlobalVariable *GV, SmallVectorImpl<const GlobalVariable *> &Order,
+ DenseSet<const GlobalVariable *> &Visited,
+ DenseSet<const GlobalVariable *> &Visiting) {
+ // Have we already visited this one?
+ if (Visited.count(GV))
+ return;
+
+ // Do we have a circular dependency?
+ if (Visiting.count(GV))
+ report_fatal_error("Circular dependency found in global variable set");
+
+ // Start visiting this global
+ Visiting.insert(GV);
+ // Make sure we visit all dependents first
+ DenseSet<const GlobalVariable *> Others;
+ for (unsigned i = 0, e = GV->getNumOperands(); i != e; ++i)
+ DiscoverDependentGlobals(GV->getOperand(i), Others);
+ for (DenseSet<const GlobalVariable *>::iterator I = Others.begin(),
+ E = Others.end();
+ I != E; ++I)
+ VisitGlobalVariableForEmission(*I, Order, Visited, Visiting);
+ // Now we can visit ourself
+ Order.push_back(GV);
+ Visited.insert(GV);
+ Visiting.erase(GV);
+}
+}
// @TODO: This is a copy from AsmPrinter.cpp. The function is static, so we
// cannot just link to the existing version.
return MCConstantExpr::Create(CI->getZExtValue(), Ctx);
if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
- return MCSymbolRefExpr::Create(AP.Mang->getSymbol(GV), Ctx);
+ return MCSymbolRefExpr::Create(AP.getSymbol(GV), Ctx);
if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV))
return MCSymbolRefExpr::Create(AP.GetBlockAddressSymbol(BA), Ctx);
if (CE == 0)
llvm_unreachable("Unknown constant value to lower!");
-
switch (CE->getOpcode()) {
default:
// If the code isn't optimized, there may be outstanding folding
- // opportunities. Attempt to fold the expression using TargetData as a
+ // opportunities. Attempt to fold the expression using DataLayout as a
// last resort before giving up.
- if (Constant *C =
- ConstantFoldConstantExpression(CE, AP.TM.getTargetData()))
+ if (Constant *C = ConstantFoldConstantExpression(CE, AP.TM.getDataLayout()))
if (C != CE)
return LowerConstant(C, AP);
// Otherwise report the problem to the user.
{
- std::string S;
- raw_string_ostream OS(S);
- OS << "Unsupported expression in static initializer: ";
- WriteAsOperand(OS, CE, /*PrintType=*/false,
- !AP.MF ? 0 : AP.MF->getFunction()->getParent());
- report_fatal_error(OS.str());
+ std::string S;
+ raw_string_ostream OS(S);
+ OS << "Unsupported expression in static initializer: ";
+ WriteAsOperand(OS, CE, /*PrintType=*/ false,
+ !AP.MF ? 0 : AP.MF->getFunction()->getParent());
+ report_fatal_error(OS.str());
}
case Instruction::GetElementPtr: {
- const TargetData &TD = *AP.TM.getTargetData();
+ const DataLayout &TD = *AP.TM.getDataLayout();
// Generate a symbolic expression for the byte address
- const Constant *PtrVal = CE->getOperand(0);
- SmallVector<Value*, 8> IdxVec(CE->op_begin()+1, CE->op_end());
- int64_t Offset = TD.getIndexedOffset(PtrVal->getType(), IdxVec);
+ APInt OffsetAI(TD.getPointerSizeInBits(), 0);
+ cast<GEPOperator>(CE)->accumulateConstantOffset(TD, OffsetAI);
const MCExpr *Base = LowerConstant(CE->getOperand(0), AP);
- if (Offset == 0)
+ if (!OffsetAI)
return Base;
- // Truncate/sext the offset to the pointer size.
- if (TD.getPointerSizeInBits() != 64) {
- int SExtAmount = 64-TD.getPointerSizeInBits();
- Offset = (Offset << SExtAmount) >> SExtAmount;
- }
-
+ int64_t Offset = OffsetAI.getSExtValue();
return MCBinaryExpr::CreateAdd(Base, MCConstantExpr::Create(Offset, Ctx),
Ctx);
}
// expression properly. This is important for differences between
// blockaddress labels. Since the two labels are in the same function, it
// is reasonable to treat their delta as a 32-bit value.
- // FALL THROUGH.
+ // FALL THROUGH.
case Instruction::BitCast:
return LowerConstant(CE->getOperand(0), AP);
case Instruction::IntToPtr: {
- const TargetData &TD = *AP.TM.getTargetData();
+ const DataLayout &TD = *AP.TM.getDataLayout();
// Handle casts to pointers by changing them into casts to the appropriate
// integer type. This promotes constant folding and simplifies this code.
Constant *Op = CE->getOperand(0);
Op = ConstantExpr::getIntegerCast(Op, TD.getIntPtrType(CV->getContext()),
- false/*ZExt*/);
+ false /*ZExt*/);
return LowerConstant(Op, AP);
}
case Instruction::PtrToInt: {
- const TargetData &TD = *AP.TM.getTargetData();
+ const DataLayout &TD = *AP.TM.getDataLayout();
// Support only foldable casts to/from pointers that can be eliminated by
// changing the pointer to the appropriately sized integer type.
Constant *Op = CE->getOperand(0);
// the high bits so we are sure to get a proper truncation if the input is
// a constant expr.
unsigned InBits = TD.getTypeAllocSizeInBits(Op->getType());
- const MCExpr *MaskExpr = MCConstantExpr::Create(~0ULL >> (64-InBits), Ctx);
+ const MCExpr *MaskExpr =
+ MCConstantExpr::Create(~0ULL >> (64 - InBits), Ctx);
return MCBinaryExpr::CreateAnd(OpExpr, MaskExpr, Ctx);
}
- // The MC library also has a right-shift operator, but it isn't consistently
+ // The MC library also has a right-shift operator, but it isn't consistently
// signed or unsigned between different targets.
case Instruction::Add:
case Instruction::Sub:
const MCExpr *LHS = LowerConstant(CE->getOperand(0), AP);
const MCExpr *RHS = LowerConstant(CE->getOperand(1), AP);
switch (CE->getOpcode()) {
- default: llvm_unreachable("Unknown binary operator constant cast expr");
- case Instruction::Add: return MCBinaryExpr::CreateAdd(LHS, RHS, Ctx);
- case Instruction::Sub: return MCBinaryExpr::CreateSub(LHS, RHS, Ctx);
- case Instruction::Mul: return MCBinaryExpr::CreateMul(LHS, RHS, Ctx);
- case Instruction::SDiv: return MCBinaryExpr::CreateDiv(LHS, RHS, Ctx);
- case Instruction::SRem: return MCBinaryExpr::CreateMod(LHS, RHS, Ctx);
- case Instruction::Shl: return MCBinaryExpr::CreateShl(LHS, RHS, Ctx);
- case Instruction::And: return MCBinaryExpr::CreateAnd(LHS, RHS, Ctx);
- case Instruction::Or: return MCBinaryExpr::CreateOr (LHS, RHS, Ctx);
- case Instruction::Xor: return MCBinaryExpr::CreateXor(LHS, RHS, Ctx);
+ default:
+ llvm_unreachable("Unknown binary operator constant cast expr");
+ case Instruction::Add:
+ return MCBinaryExpr::CreateAdd(LHS, RHS, Ctx);
+ case Instruction::Sub:
+ return MCBinaryExpr::CreateSub(LHS, RHS, Ctx);
+ case Instruction::Mul:
+ return MCBinaryExpr::CreateMul(LHS, RHS, Ctx);
+ case Instruction::SDiv:
+ return MCBinaryExpr::CreateDiv(LHS, RHS, Ctx);
+ case Instruction::SRem:
+ return MCBinaryExpr::CreateMod(LHS, RHS, Ctx);
+ case Instruction::Shl:
+ return MCBinaryExpr::CreateShl(LHS, RHS, Ctx);
+ case Instruction::And:
+ return MCBinaryExpr::CreateAnd(LHS, RHS, Ctx);
+ case Instruction::Or:
+ return MCBinaryExpr::CreateOr(LHS, RHS, Ctx);
+ case Instruction::Xor:
+ return MCBinaryExpr::CreateXor(LHS, RHS, Ctx);
}
}
}
}
-
-void NVPTXAsmPrinter::emitLineNumberAsDotLoc(const MachineInstr &MI)
-{
+void NVPTXAsmPrinter::emitLineNumberAsDotLoc(const MachineInstr &MI) {
if (!EmitLineNumbers)
return;
if (ignoreLoc(MI))
if (curLoc.isUnknown())
return;
-
const MachineFunction *MF = MI.getParent()->getParent();
//const TargetMachine &TM = MF->getTarget();
const LLVMContext &ctx = MF->getFunction()->getContext();
DIScope Scope(curLoc.getScope(ctx));
- if (!Scope.Verify())
- return;
+ assert((!Scope || Scope.isScope()) &&
+ "Scope of a DebugLoc should be null or a DIScope.");
+ if (!Scope)
+ return;
StringRef fileName(Scope.getFilename());
StringRef dirName(Scope.getDirectory());
if (filenameMap.find(fileName.str()) == filenameMap.end())
return;
-
// Emit the line from the source file.
- if (llvm::InterleaveSrcInPtx)
+ if (InterleaveSrc)
this->emitSrcInText(fileName.str(), curLoc.getLine());
std::stringstream temp;
- temp << "\t.loc " << filenameMap[fileName.str()]
- << " " << curLoc.getLine() << " " << curLoc.getCol();
+ temp << "\t.loc " << filenameMap[fileName.str()] << " " << curLoc.getLine()
+ << " " << curLoc.getCol();
OutStreamer.EmitRawText(Twine(temp.str().c_str()));
}
raw_svector_ostream OS(Str);
if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA)
emitLineNumberAsDotLoc(*MI);
- printInstruction(MI, OS);
- OutStreamer.EmitRawText(OS.str());
+
+ MCInst Inst;
+ lowerToMCInst(MI, Inst);
+ OutStreamer.EmitInstruction(Inst);
+}
+
+void NVPTXAsmPrinter::lowerToMCInst(const MachineInstr *MI, MCInst &OutMI) {
+ OutMI.setOpcode(MI->getOpcode());
+
+ // Special: Do not mangle symbol operand of CALL_PROTOTYPE
+ if (MI->getOpcode() == NVPTX::CALL_PROTOTYPE) {
+ const MachineOperand &MO = MI->getOperand(0);
+ OutMI.addOperand(GetSymbolRef(MO,
+ OutContext.GetOrCreateSymbol(Twine(MO.getSymbolName()))));
+ return;
+ }
+
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+
+ MCOperand MCOp;
+ if (lowerOperand(MO, MCOp))
+ OutMI.addOperand(MCOp);
+ }
+}
+
+bool NVPTXAsmPrinter::lowerOperand(const MachineOperand &MO,
+ MCOperand &MCOp) {
+ switch (MO.getType()) {
+ default: llvm_unreachable("unknown operand type");
+ case MachineOperand::MO_Register:
+ MCOp = MCOperand::CreateReg(encodeVirtualRegister(MO.getReg()));
+ break;
+ case MachineOperand::MO_Immediate:
+ MCOp = MCOperand::CreateImm(MO.getImm());
+ break;
+ case MachineOperand::MO_MachineBasicBlock:
+ MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
+ MO.getMBB()->getSymbol(), OutContext));
+ break;
+ case MachineOperand::MO_ExternalSymbol:
+ MCOp = GetSymbolRef(MO, GetExternalSymbolSymbol(MO.getSymbolName()));
+ break;
+ case MachineOperand::MO_GlobalAddress:
+ MCOp = GetSymbolRef(MO, getSymbol(MO.getGlobal()));
+ break;
+ case MachineOperand::MO_FPImmediate: {
+ const ConstantFP *Cnt = MO.getFPImm();
+ APFloat Val = Cnt->getValueAPF();
+
+ switch (Cnt->getType()->getTypeID()) {
+ default: report_fatal_error("Unsupported FP type"); break;
+ case Type::FloatTyID:
+ MCOp = MCOperand::CreateExpr(
+ NVPTXFloatMCExpr::CreateConstantFPSingle(Val, OutContext));
+ break;
+ case Type::DoubleTyID:
+ MCOp = MCOperand::CreateExpr(
+ NVPTXFloatMCExpr::CreateConstantFPDouble(Val, OutContext));
+ break;
+ }
+ break;
+ }
+ }
+ return true;
+}
+
+unsigned NVPTXAsmPrinter::encodeVirtualRegister(unsigned Reg) {
+ if (TargetRegisterInfo::isVirtualRegister(Reg)) {
+ const TargetRegisterClass *RC = MRI->getRegClass(Reg);
+
+ DenseMap<unsigned, unsigned> &RegMap = VRegMapping[RC];
+ unsigned RegNum = RegMap[Reg];
+
+ // Encode the register class in the upper 4 bits
+ // Must be kept in sync with NVPTXInstPrinter::printRegName
+ unsigned Ret = 0;
+ if (RC == &NVPTX::Int1RegsRegClass) {
+ Ret = (1 << 28);
+ } else if (RC == &NVPTX::Int16RegsRegClass) {
+ Ret = (2 << 28);
+ } else if (RC == &NVPTX::Int32RegsRegClass) {
+ Ret = (3 << 28);
+ } else if (RC == &NVPTX::Int64RegsRegClass) {
+ Ret = (4 << 28);
+ } else if (RC == &NVPTX::Float32RegsRegClass) {
+ Ret = (5 << 28);
+ } else if (RC == &NVPTX::Float64RegsRegClass) {
+ Ret = (6 << 28);
+ } else {
+ report_fatal_error("Bad register class");
+ }
+
+ // Insert the vreg number
+ Ret |= (RegNum & 0x0FFFFFFF);
+ return Ret;
+ } else {
+ // Some special-use registers are actually physical registers.
+ // Encode this as the register class ID of 0 and the real register ID.
+ return Reg & 0x0FFFFFFF;
+ }
}
-void NVPTXAsmPrinter::printReturnValStr(const Function *F,
- raw_ostream &O)
-{
- const TargetData *TD = TM.getTargetData();
+MCOperand NVPTXAsmPrinter::GetSymbolRef(const MachineOperand &MO,
+ const MCSymbol *Symbol) {
+ const MCExpr *Expr;
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None,
+ OutContext);
+ return MCOperand::CreateExpr(Expr);
+}
+
+void NVPTXAsmPrinter::printReturnValStr(const Function *F, raw_ostream &O) {
+ const DataLayout *TD = TM.getDataLayout();
const TargetLowering *TLI = TM.getTargetLowering();
Type *Ty = F->getReturnType();
O << " (";
if (isABI) {
- if (Ty->isPrimitiveType() || Ty->isIntegerTy()) {
+ if (Ty->isFloatingPointTy() || Ty->isIntegerTy()) {
unsigned size = 0;
if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty)) {
size = ITy->getBitWidth();
- if (size < 32) size = 32;
+ if (size < 32)
+ size = 32;
} else {
- assert(Ty->isFloatingPointTy() &&
- "Floating point type expected here");
+ assert(Ty->isFloatingPointTy() && "Floating point type expected here");
size = Ty->getPrimitiveSizeInBits();
}
O << ".param .b" << size << " func_retval0";
- }
- else if (isa<PointerType>(Ty)) {
+ } else if (isa<PointerType>(Ty)) {
O << ".param .b" << TLI->getPointerTy().getSizeInBits()
- << " func_retval0";
+ << " func_retval0";
} else {
- if ((Ty->getTypeID() == Type::StructTyID) ||
- isa<VectorType>(Ty)) {
+ if ((Ty->getTypeID() == Type::StructTyID) || isa<VectorType>(Ty)) {
SmallVector<EVT, 16> vtparts;
ComputeValueVTs(*TLI, Ty, vtparts);
unsigned totalsz = 0;
- for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ for (unsigned i = 0, e = vtparts.size(); i != e; ++i) {
unsigned elems = 1;
EVT elemtype = vtparts[i];
if (vtparts[i].isVector()) {
elems = vtparts[i].getVectorNumElements();
elemtype = vtparts[i].getVectorElementType();
}
- for (unsigned j=0, je=elems; j!=je; ++j) {
+ for (unsigned j = 0, je = elems; j != je; ++j) {
unsigned sz = elemtype.getSizeInBits();
- if (elemtype.isInteger() && (sz < 8)) sz = 8;
- totalsz += sz/8;
+ if (elemtype.isInteger() && (sz < 8))
+ sz = 8;
+ totalsz += sz / 8;
}
}
unsigned retAlignment = 0;
if (!llvm::getAlign(*F, 0, retAlignment))
retAlignment = TD->getABITypeAlignment(Ty);
- O << ".param .align "
- << retAlignment
- << " .b8 func_retval0["
- << totalsz << "]";
+ O << ".param .align " << retAlignment << " .b8 func_retval0[" << totalsz
+ << "]";
} else
- assert(false &&
- "Unknown return type");
+ assert(false && "Unknown return type");
}
} else {
SmallVector<EVT, 16> vtparts;
ComputeValueVTs(*TLI, Ty, vtparts);
unsigned idx = 0;
- for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ for (unsigned i = 0, e = vtparts.size(); i != e; ++i) {
unsigned elems = 1;
EVT elemtype = vtparts[i];
if (vtparts[i].isVector()) {
elemtype = vtparts[i].getVectorElementType();
}
- for (unsigned j=0, je=elems; j!=je; ++j) {
+ for (unsigned j = 0, je = elems; j != je; ++j) {
unsigned sz = elemtype.getSizeInBits();
- if (elemtype.isInteger() && (sz < 32)) sz = 32;
+ if (elemtype.isInteger() && (sz < 32))
+ sz = 32;
O << ".reg .b" << sz << " func_retval" << idx;
- if (j<je-1) O << ", ";
+ if (j < je - 1)
+ O << ", ";
++idx;
}
- if (i < e-1)
+ if (i < e - 1)
O << ", ";
}
}
SmallString<128> Str;
raw_svector_ostream O(Str);
+ if (!GlobalsEmitted) {
+ emitGlobals(*MF->getFunction()->getParent());
+ GlobalsEmitted = true;
+ }
+
// Set up
MRI = &MF->getRegInfo();
F = MF->getFunction();
- emitLinkageDirective(F,O);
+ emitLinkageDirective(F, O);
if (llvm::isKernelFunction(*F))
O << ".entry ";
else {
}
void NVPTXAsmPrinter::EmitFunctionBodyStart() {
- const TargetRegisterInfo &TRI = *TM.getRegisterInfo();
- unsigned numRegClasses = TRI.getNumRegClasses();
- VRidGlobal2LocalMap = new std::map<unsigned, unsigned>[numRegClasses+1];
+ VRegMapping.clear();
OutStreamer.EmitRawText(StringRef("{\n"));
setAndEmitFunctionVirtualRegisters(*MF);
void NVPTXAsmPrinter::EmitFunctionBodyEnd() {
OutStreamer.EmitRawText(StringRef("}\n"));
- delete []VRidGlobal2LocalMap;
+ VRegMapping.clear();
}
+void NVPTXAsmPrinter::emitImplicitDef(const MachineInstr *MI) const {
+ unsigned RegNo = MI->getOperand(0).getReg();
+ const TargetRegisterInfo *TRI = TM.getRegisterInfo();
+ if (TRI->isVirtualRegister(RegNo)) {
+ OutStreamer.AddComment(Twine("implicit-def: ") +
+ getVirtualRegisterName(RegNo));
+ } else {
+ OutStreamer.AddComment(Twine("implicit-def: ") +
+ TM.getRegisterInfo()->getName(RegNo));
+ }
+ OutStreamer.AddBlankLine();
+}
-void
-NVPTXAsmPrinter::emitKernelFunctionDirectives(const Function& F,
- raw_ostream &O) const {
+void NVPTXAsmPrinter::emitKernelFunctionDirectives(const Function &F,
+ raw_ostream &O) const {
// If the NVVM IR has some of reqntid* specified, then output
// the reqntid directive, and set the unspecified ones to 1.
// If none of reqntid* is specified, don't output reqntid directive.
unsigned reqntidx, reqntidy, reqntidz;
bool specified = false;
- if (llvm::getReqNTIDx(F, reqntidx) == false) reqntidx = 1;
- else specified = true;
- if (llvm::getReqNTIDy(F, reqntidy) == false) reqntidy = 1;
- else specified = true;
- if (llvm::getReqNTIDz(F, reqntidz) == false) reqntidz = 1;
- else specified = true;
+ if (llvm::getReqNTIDx(F, reqntidx) == false)
+ reqntidx = 1;
+ else
+ specified = true;
+ if (llvm::getReqNTIDy(F, reqntidy) == false)
+ reqntidy = 1;
+ else
+ specified = true;
+ if (llvm::getReqNTIDz(F, reqntidz) == false)
+ reqntidz = 1;
+ else
+ specified = true;
if (specified)
- O << ".reqntid " << reqntidx << ", "
- << reqntidy << ", " << reqntidz << "\n";
+ O << ".reqntid " << reqntidx << ", " << reqntidy << ", " << reqntidz
+ << "\n";
// If the NVVM IR has some of maxntid* specified, then output
// the maxntid directive, and set the unspecified ones to 1.
// If none of maxntid* is specified, don't output maxntid directive.
unsigned maxntidx, maxntidy, maxntidz;
specified = false;
- if (llvm::getMaxNTIDx(F, maxntidx) == false) maxntidx = 1;
- else specified = true;
- if (llvm::getMaxNTIDy(F, maxntidy) == false) maxntidy = 1;
- else specified = true;
- if (llvm::getMaxNTIDz(F, maxntidz) == false) maxntidz = 1;
- else specified = true;
+ if (llvm::getMaxNTIDx(F, maxntidx) == false)
+ maxntidx = 1;
+ else
+ specified = true;
+ if (llvm::getMaxNTIDy(F, maxntidy) == false)
+ maxntidy = 1;
+ else
+ specified = true;
+ if (llvm::getMaxNTIDz(F, maxntidz) == false)
+ maxntidz = 1;
+ else
+ specified = true;
if (specified)
- O << ".maxntid " << maxntidx << ", "
- << maxntidy << ", " << maxntidz << "\n";
+ O << ".maxntid " << maxntidx << ", " << maxntidy << ", " << maxntidz
+ << "\n";
unsigned mincta;
if (llvm::getMinCTASm(F, mincta))
O << ".minnctapersm " << mincta << "\n";
}
-void
-NVPTXAsmPrinter::getVirtualRegisterName(unsigned vr, bool isVec,
- raw_ostream &O) {
- const TargetRegisterClass * RC = MRI->getRegClass(vr);
- unsigned id = RC->getID();
+std::string
+NVPTXAsmPrinter::getVirtualRegisterName(unsigned Reg) const {
+ const TargetRegisterClass *RC = MRI->getRegClass(Reg);
- std::map<unsigned, unsigned> ®map = VRidGlobal2LocalMap[id];
- unsigned mapped_vr = regmap[vr];
+ std::string Name;
+ raw_string_ostream NameStr(Name);
- if (!isVec) {
- O << getNVPTXRegClassStr(RC) << mapped_vr;
- return;
- }
- // Vector virtual register
- if (getNVPTXVectorSize(RC) == 4)
- O << "{"
- << getNVPTXRegClassStr(RC) << mapped_vr << "_0, "
- << getNVPTXRegClassStr(RC) << mapped_vr << "_1, "
- << getNVPTXRegClassStr(RC) << mapped_vr << "_2, "
- << getNVPTXRegClassStr(RC) << mapped_vr << "_3"
- << "}";
- else if (getNVPTXVectorSize(RC) == 2)
- O << "{"
- << getNVPTXRegClassStr(RC) << mapped_vr << "_0, "
- << getNVPTXRegClassStr(RC) << mapped_vr << "_1"
- << "}";
- else
- llvm_unreachable("Unsupported vector size");
+ VRegRCMap::const_iterator I = VRegMapping.find(RC);
+ assert(I != VRegMapping.end() && "Bad register class");
+ const DenseMap<unsigned, unsigned> &RegMap = I->second;
+
+ VRegMap::const_iterator VI = RegMap.find(Reg);
+ assert(VI != RegMap.end() && "Bad virtual register");
+ unsigned MappedVR = VI->second;
+
+ NameStr << getNVPTXRegClassStr(RC) << MappedVR;
+
+ NameStr.flush();
+ return Name;
}
-void
-NVPTXAsmPrinter::emitVirtualRegister(unsigned int vr, bool isVec,
- raw_ostream &O) {
- getVirtualRegisterName(vr, isVec, O);
+void NVPTXAsmPrinter::emitVirtualRegister(unsigned int vr,
+ raw_ostream &O) {
+ O << getVirtualRegisterName(vr);
}
-void NVPTXAsmPrinter::printVecModifiedImmediate(const MachineOperand &MO,
- const char *Modifier,
- raw_ostream &O) {
- static const char vecelem[] = {'0', '1', '2', '3', '0', '1', '2', '3'};
- int Imm = (int)MO.getImm();
- if(0 == strcmp(Modifier, "vecelem"))
+void NVPTXAsmPrinter::printVecModifiedImmediate(
+ const MachineOperand &MO, const char *Modifier, raw_ostream &O) {
+ static const char vecelem[] = { '0', '1', '2', '3', '0', '1', '2', '3' };
+ int Imm = (int) MO.getImm();
+ if (0 == strcmp(Modifier, "vecelem"))
O << "_" << vecelem[Imm];
- else if(0 == strcmp(Modifier, "vecv4comm1")) {
- if((Imm < 0) || (Imm > 3))
+ else if (0 == strcmp(Modifier, "vecv4comm1")) {
+ if ((Imm < 0) || (Imm > 3))
O << "//";
- }
- else if(0 == strcmp(Modifier, "vecv4comm2")) {
- if((Imm < 4) || (Imm > 7))
+ } else if (0 == strcmp(Modifier, "vecv4comm2")) {
+ if ((Imm < 4) || (Imm > 7))
O << "//";
- }
- else if(0 == strcmp(Modifier, "vecv4pos")) {
- if(Imm < 0) Imm = 0;
- O << "_" << vecelem[Imm%4];
- }
- else if(0 == strcmp(Modifier, "vecv2comm1")) {
- if((Imm < 0) || (Imm > 1))
+ } else if (0 == strcmp(Modifier, "vecv4pos")) {
+ if (Imm < 0)
+ Imm = 0;
+ O << "_" << vecelem[Imm % 4];
+ } else if (0 == strcmp(Modifier, "vecv2comm1")) {
+ if ((Imm < 0) || (Imm > 1))
O << "//";
- }
- else if(0 == strcmp(Modifier, "vecv2comm2")) {
- if((Imm < 2) || (Imm > 3))
+ } else if (0 == strcmp(Modifier, "vecv2comm2")) {
+ if ((Imm < 2) || (Imm > 3))
O << "//";
- }
- else if(0 == strcmp(Modifier, "vecv2pos")) {
- if(Imm < 0) Imm = 0;
- O << "_" << vecelem[Imm%2];
- }
- else
+ } else if (0 == strcmp(Modifier, "vecv2pos")) {
+ if (Imm < 0)
+ Imm = 0;
+ O << "_" << vecelem[Imm % 2];
+ } else
llvm_unreachable("Unknown Modifier on immediate operand");
}
-void NVPTXAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
- raw_ostream &O, const char *Modifier) {
- const MachineOperand &MO = MI->getOperand(opNum);
- switch (MO.getType()) {
- case MachineOperand::MO_Register:
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
- if (MO.getReg() == NVPTX::VRDepot)
- O << DEPOTNAME << getFunctionNumber();
- else
- O << getRegisterName(MO.getReg());
- } else {
- if (!Modifier)
- emitVirtualRegister(MO.getReg(), false, O);
- else {
- if (strcmp(Modifier, "vecfull") == 0)
- emitVirtualRegister(MO.getReg(), true, O);
- else
- llvm_unreachable(
- "Don't know how to handle the modifier on virtual register.");
- }
- }
- return;
-
- case MachineOperand::MO_Immediate:
- if (!Modifier)
- O << MO.getImm();
- else if (strstr(Modifier, "vec") == Modifier)
- printVecModifiedImmediate(MO, Modifier, O);
- else
- llvm_unreachable("Don't know how to handle modifier on immediate operand");
- return;
-
- case MachineOperand::MO_FPImmediate:
- printFPConstant(MO.getFPImm(), O);
- break;
-
- case MachineOperand::MO_GlobalAddress:
- O << *Mang->getSymbol(MO.getGlobal());
- break;
- case MachineOperand::MO_ExternalSymbol: {
- const char * symbname = MO.getSymbolName();
- if (strstr(symbname, ".PARAM") == symbname) {
- unsigned index;
- sscanf(symbname+6, "%u[];", &index);
- printParamName(index, O);
- }
- else if (strstr(symbname, ".HLPPARAM") == symbname) {
- unsigned index;
- sscanf(symbname+9, "%u[];", &index);
- O << *CurrentFnSym << "_param_" << index << "_offset";
- }
- else
- O << symbname;
- break;
- }
-
- case MachineOperand::MO_MachineBasicBlock:
- O << *MO.getMBB()->getSymbol();
- return;
-
- default:
- llvm_unreachable("Operand type not supported.");
- }
-}
-
-void NVPTXAsmPrinter::
-printImplicitDef(const MachineInstr *MI, raw_ostream &O) const {
-#ifndef __OPTIMIZE__
- O << "\t// Implicit def :";
- //printOperand(MI, 0);
- O << "\n";
-#endif
-}
-void NVPTXAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
- raw_ostream &O, const char *Modifier) {
- printOperand(MI, opNum, O);
+void NVPTXAsmPrinter::emitDeclaration(const Function *F, raw_ostream &O) {
- if (Modifier && !strcmp(Modifier, "add")) {
- O << ", ";
- printOperand(MI, opNum+1, O);
- } else {
- if (MI->getOperand(opNum+1).isImm() &&
- MI->getOperand(opNum+1).getImm() == 0)
- return; // don't print ',0' or '+0'
- O << "+";
- printOperand(MI, opNum+1, O);
- }
-}
-
-void NVPTXAsmPrinter::printLdStCode(const MachineInstr *MI, int opNum,
- raw_ostream &O, const char *Modifier)
-{
- if (Modifier) {
- const MachineOperand &MO = MI->getOperand(opNum);
- int Imm = (int)MO.getImm();
- if (!strcmp(Modifier, "volatile")) {
- if (Imm)
- O << ".volatile";
- } else if (!strcmp(Modifier, "addsp")) {
- switch (Imm) {
- case NVPTX::PTXLdStInstCode::GLOBAL: O << ".global"; break;
- case NVPTX::PTXLdStInstCode::SHARED: O << ".shared"; break;
- case NVPTX::PTXLdStInstCode::LOCAL: O << ".local"; break;
- case NVPTX::PTXLdStInstCode::PARAM: O << ".param"; break;
- case NVPTX::PTXLdStInstCode::CONSTANT: O << ".const"; break;
- case NVPTX::PTXLdStInstCode::GENERIC:
- if (!nvptxSubtarget.hasGenericLdSt())
- O << ".global";
- break;
- default:
- assert("wrong value");
- }
- }
- else if (!strcmp(Modifier, "sign")) {
- if (Imm==NVPTX::PTXLdStInstCode::Signed)
- O << "s";
- else if (Imm==NVPTX::PTXLdStInstCode::Unsigned)
- O << "u";
- else
- O << "f";
- }
- else if (!strcmp(Modifier, "vec")) {
- if (Imm==NVPTX::PTXLdStInstCode::V2)
- O << ".v2";
- else if (Imm==NVPTX::PTXLdStInstCode::V4)
- O << ".v4";
- }
- else
- assert("unknown modifier");
- }
- else
- assert("unknown modifier");
-}
-
-void NVPTXAsmPrinter::emitDeclaration (const Function *F, raw_ostream &O) {
-
- emitLinkageDirective(F,O);
+ emitLinkageDirective(F, O);
if (llvm::isKernelFunction(*F))
O << ".entry ";
else
O << ".func ";
printReturnValStr(F, O);
- O << *CurrentFnSym << "\n";
+ O << *getSymbol(F) << "\n";
emitFunctionParamList(F, O);
O << ";\n";
}
-static bool usedInGlobalVarDef(const Constant *C)
-{
+static bool usedInGlobalVarDef(const Constant *C) {
if (!C)
return false;
return true;
}
- for (Value::const_use_iterator ui=C->use_begin(), ue=C->use_end();
- ui!=ue; ++ui) {
+ for (Value::const_use_iterator ui = C->use_begin(), ue = C->use_end();
+ ui != ue; ++ui) {
const Constant *C = dyn_cast<Constant>(*ui);
if (usedInGlobalVarDef(C))
return true;
return false;
}
-static bool usedInOneFunc(const User *U, Function const *&oneFunc)
-{
+static bool usedInOneFunc(const User *U, Function const *&oneFunc) {
if (const GlobalVariable *othergv = dyn_cast<GlobalVariable>(U)) {
if (othergv->getName().str() == "llvm.used")
return true;
return false;
oneFunc = curFunc;
return true;
- }
- else
+ } else
return false;
}
if (const MDNode *md = dyn_cast<MDNode>(U))
if (md->hasName() && ((md->getName().str() == "llvm.dbg.gv") ||
- (md->getName().str() == "llvm.dbg.sp")))
+ (md->getName().str() == "llvm.dbg.sp")))
return true;
-
- for (User::const_use_iterator ui=U->use_begin(), ue=U->use_end();
- ui!=ue; ++ui) {
+ for (User::const_use_iterator ui = U->use_begin(), ue = U->use_end();
+ ui != ue; ++ui) {
if (usedInOneFunc(*ui, oneFunc) == false)
return false;
}
static bool useFuncSeen(const Constant *C,
llvm::DenseMap<const Function *, bool> &seenMap) {
- for (Value::const_use_iterator ui=C->use_begin(), ue=C->use_end();
- ui!=ue; ++ui) {
+ for (Value::const_use_iterator ui = C->use_begin(), ue = C->use_end();
+ ui != ue; ++ui) {
if (const Constant *cu = dyn_cast<Constant>(*ui)) {
if (useFuncSeen(cu, seenMap))
return true;
} else if (const Instruction *I = dyn_cast<Instruction>(*ui)) {
const BasicBlock *bb = I->getParent();
- if (!bb) continue;
+ if (!bb)
+ continue;
const Function *caller = bb->getParent();
- if (!caller) continue;
+ if (!caller)
+ continue;
if (seenMap.find(caller) != seenMap.end())
return true;
}
return false;
}
-void NVPTXAsmPrinter::emitDeclarations (Module &M, raw_ostream &O) {
+void NVPTXAsmPrinter::emitDeclarations(const Module &M, raw_ostream &O) {
llvm::DenseMap<const Function *, bool> seenMap;
- for (Module::const_iterator FI=M.begin(), FE=M.end();
- FI!=FE; ++FI) {
+ for (Module::const_iterator FI = M.begin(), FE = M.end(); FI != FE; ++FI) {
const Function *F = FI;
if (F->isDeclaration()) {
continue;
if (F->getIntrinsicID())
continue;
- CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
continue;
}
- for (Value::const_use_iterator iter=F->use_begin(),
- iterEnd=F->use_end(); iter!=iterEnd; ++iter) {
+ for (Value::const_use_iterator iter = F->use_begin(),
+ iterEnd = F->use_end();
+ iter != iterEnd; ++iter) {
if (const Constant *C = dyn_cast<Constant>(*iter)) {
if (usedInGlobalVarDef(C)) {
// The use is in the initialization of a global variable
// that is a function pointer, so print a declaration
// for the original function
- CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
// Emit a declaration of this function if the function that
// uses this constant expr has already been seen.
if (useFuncSeen(C, seenMap)) {
- CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
}
- if (!isa<Instruction>(*iter)) continue;
+ if (!isa<Instruction>(*iter))
+ continue;
const Instruction *instr = cast<Instruction>(*iter);
const BasicBlock *bb = instr->getParent();
- if (!bb) continue;
+ if (!bb)
+ continue;
const Function *caller = bb->getParent();
- if (!caller) continue;
+ if (!caller)
+ continue;
// If a caller has already been seen, then the caller is
// appearing in the module before the callee. so print out
// a declaration for the callee.
if (seenMap.find(caller) != seenMap.end()) {
- CurrentFnSym = Mang->getSymbol(F);
emitDeclaration(F, O);
break;
}
DebugInfoFinder DbgFinder;
DbgFinder.processModule(M);
- unsigned i=1;
+ unsigned i = 1;
for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(),
- E = DbgFinder.compile_unit_end(); I != E; ++I) {
+ E = DbgFinder.compile_unit_end();
+ I != E; ++I) {
DICompileUnit DIUnit(*I);
StringRef Filename(DIUnit.getFilename());
StringRef Dirname(DIUnit.getDirectory());
}
for (DebugInfoFinder::iterator I = DbgFinder.subprogram_begin(),
- E = DbgFinder.subprogram_end(); I != E; ++I) {
+ E = DbgFinder.subprogram_end();
+ I != E; ++I) {
DISubprogram SP(*I);
StringRef Filename(SP.getFilename());
StringRef Dirname(SP.getDirectory());
}
}
-bool NVPTXAsmPrinter::doInitialization (Module &M) {
+bool NVPTXAsmPrinter::doInitialization(Module &M) {
SmallString<128> Str1;
raw_svector_ostream OS1(Str1);
//bool Result = AsmPrinter::doInitialization(M);
// Initialize TargetLoweringObjectFile.
- const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
- .Initialize(OutContext, TM);
+ const_cast<TargetLoweringObjectFile &>(getObjFileLowering())
+ .Initialize(OutContext, TM);
- Mang = new Mangler(OutContext, *TM.getTargetData());
+ Mang = new Mangler(TM.getDataLayout());
// Emit header before any dwarf directives are emitted below.
emitHeader(M, OS1);
OutStreamer.EmitRawText(OS1.str());
-
// Already commented out
//bool Result = AsmPrinter::doInitialization(M);
+ // Emit module-level inline asm if it exists.
+ if (!M.getModuleInlineAsm().empty()) {
+ OutStreamer.AddComment("Start of file scope inline assembly");
+ OutStreamer.AddBlankLine();
+ OutStreamer.EmitRawText(StringRef(M.getModuleInlineAsm()));
+ OutStreamer.AddBlankLine();
+ OutStreamer.AddComment("End of file scope inline assembly");
+ OutStreamer.AddBlankLine();
+ }
if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA)
recordAndEmitFilenames(M);
+ GlobalsEmitted = false;
+
+ return false; // success
+}
+
+void NVPTXAsmPrinter::emitGlobals(const Module &M) {
SmallString<128> Str2;
raw_svector_ostream OS2(Str2);
emitDeclarations(M, OS2);
- // Print out module-level global variables here.
- for (Module::global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I)
- printModuleLevelGV(I, OS2);
+ // As ptxas does not support forward references of globals, we need to first
+ // sort the list of module-level globals in def-use order. We visit each
+ // global variable in order, and ensure that we emit it *after* its dependent
+ // globals. We use a little extra memory maintaining both a set and a list to
+ // have fast searches while maintaining a strict ordering.
+ SmallVector<const GlobalVariable *, 8> Globals;
+ DenseSet<const GlobalVariable *> GVVisited;
+ DenseSet<const GlobalVariable *> GVVisiting;
+
+ // Visit each global variable, in order
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I)
+ VisitGlobalVariableForEmission(I, Globals, GVVisited, GVVisiting);
+
+ assert(GVVisited.size() == M.getGlobalList().size() &&
+ "Missed a global variable");
+ assert(GVVisiting.size() == 0 && "Did not fully process a global variable");
+
+ // Print out module-level global variables in proper order
+ for (unsigned i = 0, e = Globals.size(); i != e; ++i)
+ printModuleLevelGV(Globals[i], OS2);
OS2 << '\n';
OutStreamer.EmitRawText(OS2.str());
- return false; // success
}
-void NVPTXAsmPrinter::emitHeader (Module &M, raw_ostream &O) {
+void NVPTXAsmPrinter::emitHeader(Module &M, raw_ostream &O) {
O << "//\n";
O << "// Generated by LLVM NVPTX Back-End\n";
O << "//\n";
O << "\n";
- O << ".version 3.0\n";
+ unsigned PTXVersion = nvptxSubtarget.getPTXVersion();
+ O << ".version " << (PTXVersion / 10) << "." << (PTXVersion % 10) << "\n";
O << ".target ";
O << nvptxSubtarget.getTargetName();
}
bool NVPTXAsmPrinter::doFinalization(Module &M) {
+
+ // If we did not emit any functions, then the global declarations have not
+ // yet been emitted.
+ if (!GlobalsEmitted) {
+ emitGlobals(M);
+ GlobalsEmitted = true;
+ }
+
// XXX Temproarily remove global variables so that doFinalization() will not
// emit them again (global variables are emitted at beginning).
Module::GlobalListType &global_list = M.getGlobalList();
int i, n = global_list.size();
- GlobalVariable **gv_array = new GlobalVariable* [n];
+ GlobalVariable **gv_array = new GlobalVariable *[n];
// first, back-up GlobalVariable in gv_array
i = 0;
for (Module::global_iterator I = global_list.begin(), E = global_list.end();
- I != E; ++I)
+ I != E; ++I)
gv_array[i++] = &*I;
// second, empty global_list
bool ret = AsmPrinter::doFinalization(M);
// now we restore global variables
- for (i = 0; i < n; i ++)
+ for (i = 0; i < n; i++)
global_list.insert(global_list.end(), gv_array[i]);
delete[] gv_array;
return ret;
-
//bool Result = AsmPrinter::doFinalization(M);
// Instead of calling the parents doFinalization, we may
// clone parents doFinalization and customize here.
// external without init -> .extern
// appending -> not allowed, assert.
-void NVPTXAsmPrinter::emitLinkageDirective(const GlobalValue* V, raw_ostream &O)
-{
+void NVPTXAsmPrinter::emitLinkageDirective(const GlobalValue *V,
+ raw_ostream &O) {
if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA) {
if (V->hasExternalLinkage()) {
if (isa<GlobalVariable>(V)) {
}
}
-
-void NVPTXAsmPrinter::printModuleLevelGV(GlobalVariable* GVar, raw_ostream &O,
+void NVPTXAsmPrinter::printModuleLevelGV(const GlobalVariable *GVar,
+ raw_ostream &O,
bool processDemoted) {
// Skip meta data
return;
}
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
// GlobalVariables are always constant pointers themselves.
const PointerType *PTy = GVar->getType();
if (llvm::isSampler(*GVar)) {
O << ".global .samplerref " << llvm::getSamplerName(*GVar);
- Constant *Initializer = NULL;
+ const Constant *Initializer = NULL;
if (GVar->hasInitializer())
Initializer = GVar->getInitializer();
- ConstantInt *CI = NULL;
+ const ConstantInt *CI = NULL;
if (Initializer)
CI = dyn_cast<ConstantInt>(Initializer);
if (CI) {
- unsigned sample=CI->getZExtValue();
+ unsigned sample = CI->getZExtValue();
O << " = { ";
- for (int i =0, addr=((sample & __CLK_ADDRESS_MASK ) >>
- __CLK_ADDRESS_BASE) ; i < 3 ; i++) {
+ for (int i = 0,
+ addr = ((sample & __CLK_ADDRESS_MASK) >> __CLK_ADDRESS_BASE);
+ i < 3; i++) {
O << "addr_mode_" << i << " = ";
switch (addr) {
- case 0: O << "wrap"; break;
- case 1: O << "clamp_to_border"; break;
- case 2: O << "clamp_to_edge"; break;
- case 3: O << "wrap"; break;
- case 4: O << "mirror"; break;
+ case 0:
+ O << "wrap";
+ break;
+ case 1:
+ O << "clamp_to_border";
+ break;
+ case 2:
+ O << "clamp_to_edge";
+ break;
+ case 3:
+ O << "wrap";
+ break;
+ case 4:
+ O << "mirror";
+ break;
}
- O <<", ";
+ O << ", ";
}
O << "filter_mode = ";
- switch (( sample & __CLK_FILTER_MASK ) >> __CLK_FILTER_BASE ) {
- case 0: O << "nearest"; break;
- case 1: O << "linear"; break;
- case 2: assert ( 0 && "Anisotropic filtering is not supported");
- default: O << "nearest"; break;
+ switch ((sample & __CLK_FILTER_MASK) >> __CLK_FILTER_BASE) {
+ case 0:
+ O << "nearest";
+ break;
+ case 1:
+ O << "linear";
+ break;
+ case 2:
+ assert(0 && "Anisotropic filtering is not supported");
+ default:
+ O << "nearest";
+ break;
}
- if (!(( sample &__CLK_NORMALIZED_MASK ) >> __CLK_NORMALIZED_BASE)) {
+ if (!((sample & __CLK_NORMALIZED_MASK) >> __CLK_NORMALIZED_BASE)) {
O << ", force_unnormalized_coords = 1";
}
O << " }";
if (localDecls.find(demotedFunc) != localDecls.end())
localDecls[demotedFunc].push_back(GVar);
else {
- std::vector<GlobalVariable *> temp;
+ std::vector<const GlobalVariable *> temp;
temp.push_back(GVar);
localDecls[demotedFunc] = temp;
}
else
O << " .align " << GVar->getAlignment();
-
- if (ETy->isPrimitiveType() || ETy->isIntegerTy() || isa<PointerType>(ETy)) {
+ if (ETy->isSingleValueType()) {
O << " .";
- O << getPTXFundamentalTypeStr(ETy, false);
+ // Special case: ABI requires that we use .u8 for predicates
+ if (ETy->isIntegerTy(1))
+ O << "u8";
+ else
+ O << getPTXFundamentalTypeStr(ETy, false);
O << " ";
- O << *Mang->getSymbol(GVar);
+ O << *getSymbol(GVar);
// Ptx allows variable initilization only for constant and global state
// spaces.
if (((PTy->getAddressSpace() == llvm::ADDRESS_SPACE_GLOBAL) ||
- (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST_NOT_GEN) ||
- (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST))
- && GVar->hasInitializer()) {
- Constant *Initializer = GVar->getInitializer();
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST)) &&
+ GVar->hasInitializer()) {
+ const Constant *Initializer = GVar->getInitializer();
if (!Initializer->isNullValue()) {
- O << " = " ;
+ O << " = ";
printScalarConstant(Initializer, O);
}
}
} else {
- unsigned int ElementSize =0;
+ unsigned int ElementSize = 0;
// Although PTX has direct support for struct type and array type and
// LLVM IR is very similar to PTX, the LLVM CodeGen does not support for
// Ptx allows variable initilization only for constant and
// global state spaces.
if (((PTy->getAddressSpace() == llvm::ADDRESS_SPACE_GLOBAL) ||
- (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST_NOT_GEN) ||
- (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST))
- && GVar->hasInitializer()) {
- Constant *Initializer = GVar->getInitializer();
- if (!isa<UndefValue>(Initializer) &&
- !Initializer->isNullValue()) {
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST)) &&
+ GVar->hasInitializer()) {
+ const Constant *Initializer = GVar->getInitializer();
+ if (!isa<UndefValue>(Initializer) && !Initializer->isNullValue()) {
AggBuffer aggBuffer(ElementSize, O, *this);
bufferAggregateConstant(Initializer, &aggBuffer);
if (aggBuffer.numSymbols) {
if (nvptxSubtarget.is64Bit()) {
- O << " .u64 " << *Mang->getSymbol(GVar) <<"[" ;
- O << ElementSize/8;
- }
- else {
- O << " .u32 " << *Mang->getSymbol(GVar) <<"[" ;
- O << ElementSize/4;
+ O << " .u64 " << *getSymbol(GVar) << "[";
+ O << ElementSize / 8;
+ } else {
+ O << " .u32 " << *getSymbol(GVar) << "[";
+ O << ElementSize / 4;
}
O << "]";
- }
- else {
- O << " .b8 " << *Mang->getSymbol(GVar) <<"[" ;
+ } else {
+ O << " .b8 " << *getSymbol(GVar) << "[";
O << ElementSize;
O << "]";
}
- O << " = {" ;
+ O << " = {";
aggBuffer.print();
O << "}";
- }
- else {
- O << " .b8 " << *Mang->getSymbol(GVar) ;
+ } else {
+ O << " .b8 " << *getSymbol(GVar);
if (ElementSize) {
- O <<"[" ;
+ O << "[";
O << ElementSize;
O << "]";
}
}
- }
- else {
- O << " .b8 " << *Mang->getSymbol(GVar);
+ } else {
+ O << " .b8 " << *getSymbol(GVar);
if (ElementSize) {
- O <<"[" ;
+ O << "[";
O << ElementSize;
O << "]";
}
}
break;
default:
- assert( 0 && "type not supported yet");
+ assert(0 && "type not supported yet");
}
}
if (localDecls.find(f) == localDecls.end())
return;
- std::vector<GlobalVariable *> &gvars = localDecls[f];
+ std::vector<const GlobalVariable *> &gvars = localDecls[f];
- for (unsigned i=0, e=gvars.size(); i!=e; ++i) {
+ for (unsigned i = 0, e = gvars.size(); i != e; ++i) {
O << "\t// demoted variable\n\t";
printModuleLevelGV(gvars[i], O, true);
}
raw_ostream &O) const {
switch (AddressSpace) {
case llvm::ADDRESS_SPACE_LOCAL:
- O << "local" ;
+ O << "local";
break;
case llvm::ADDRESS_SPACE_GLOBAL:
- O << "global" ;
+ O << "global";
break;
case llvm::ADDRESS_SPACE_CONST:
- // This logic should be consistent with that in
- // getCodeAddrSpace() (NVPTXISelDATToDAT.cpp)
- if (nvptxSubtarget.hasGenericLdSt())
- O << "global" ;
- else
- O << "const" ;
- break;
- case llvm::ADDRESS_SPACE_CONST_NOT_GEN:
- O << "const" ;
+ O << "const";
break;
case llvm::ADDRESS_SPACE_SHARED:
- O << "shared" ;
+ O << "shared";
break;
default:
- llvm_unreachable("unexpected address space");
+ report_fatal_error("Bad address space found while emitting PTX");
+ break;
}
}
-std::string NVPTXAsmPrinter::getPTXFundamentalTypeStr(const Type *Ty,
- bool useB4PTR) const {
+std::string
+NVPTXAsmPrinter::getPTXFundamentalTypeStr(const Type *Ty, bool useB4PTR) const {
switch (Ty->getTypeID()) {
default:
llvm_unreachable("unexpected type");
return "f64";
case Type::PointerTyID:
if (nvptxSubtarget.is64Bit())
- if (useB4PTR) return "b64";
- else return "u64";
+ if (useB4PTR)
+ return "b64";
+ else
+ return "u64";
+ else if (useB4PTR)
+ return "b32";
else
- if (useB4PTR) return "b32";
- else return "u32";
+ return "u32";
}
llvm_unreachable("unexpected type");
return NULL;
}
-void NVPTXAsmPrinter::emitPTXGlobalVariable(const GlobalVariable* GVar,
+void NVPTXAsmPrinter::emitPTXGlobalVariable(const GlobalVariable *GVar,
raw_ostream &O) {
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
// GlobalVariables are always constant pointers themselves.
const PointerType *PTy = GVar->getType();
else
O << " .align " << GVar->getAlignment();
- if (ETy->isPrimitiveType() || ETy->isIntegerTy() || isa<PointerType>(ETy)) {
+ if (ETy->isSingleValueType()) {
O << " .";
O << getPTXFundamentalTypeStr(ETy);
O << " ";
- O << *Mang->getSymbol(GVar);
+ O << *getSymbol(GVar);
return;
}
- int64_t ElementSize =0;
+ int64_t ElementSize = 0;
// Although PTX has direct support for struct type and array type and LLVM IR
// is very similar to PTX, the LLVM CodeGen does not support for targets that
case Type::ArrayTyID:
case Type::VectorTyID:
ElementSize = TD->getTypeStoreSize(ETy);
- O << " .b8 " << *Mang->getSymbol(GVar) <<"[" ;
+ O << " .b8 " << *getSymbol(GVar) << "[";
if (ElementSize) {
- O << itostr(ElementSize) ;
+ O << itostr(ElementSize);
}
O << "]";
break;
default:
- assert( 0 && "type not supported yet");
+ assert(0 && "type not supported yet");
}
- return ;
+ return;
}
-
-static unsigned int
-getOpenCLAlignment(const TargetData *TD,
- Type *Ty) {
- if (Ty->isPrimitiveType() || Ty->isIntegerTy() || isa<PointerType>(Ty))
+static unsigned int getOpenCLAlignment(const DataLayout *TD, Type *Ty) {
+ if (Ty->isSingleValueType())
return TD->getPrefTypeAlignment(Ty);
const ArrayType *ATy = dyn_cast<ArrayType>(Ty);
unsigned int numE = VTy->getNumElements();
unsigned int alignE = TD->getPrefTypeAlignment(ETy);
if (numE == 3)
- return 4*alignE;
+ return 4 * alignE;
else
- return numE*alignE;
+ return numE * alignE;
}
const StructType *STy = dyn_cast<StructType>(Ty);
unsigned int alignStruct = 1;
// Go through each element of the struct and find the
// largest alignment.
- for (unsigned i=0, e=STy->getNumElements(); i != e; i++) {
+ for (unsigned i = 0, e = STy->getNumElements(); i != e; i++) {
Type *ETy = STy->getElementType(i);
unsigned int align = getOpenCLAlignment(TD, ETy);
if (align > alignStruct)
int paramIndex, raw_ostream &O) {
if ((nvptxSubtarget.getDrvInterface() == NVPTX::NVCL) ||
(nvptxSubtarget.getDrvInterface() == NVPTX::CUDA))
- O << *CurrentFnSym << "_param_" << paramIndex;
+ O << *getSymbol(I->getParent()) << "_param_" << paramIndex;
else {
std::string argName = I->getName();
const char *p = argName.c_str();
}
for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, i++) {
- if (i==paramIndex) {
+ if (i == paramIndex) {
printParamName(I, paramIndex, O);
return;
}
llvm_unreachable("paramIndex out of bound");
}
-void NVPTXAsmPrinter::emitFunctionParamList(const Function *F,
- raw_ostream &O) {
- const TargetData *TD = TM.getTargetData();
- const AttrListPtr &PAL = F->getAttributes();
+void NVPTXAsmPrinter::emitFunctionParamList(const Function *F, raw_ostream &O) {
+ const DataLayout *TD = TM.getDataLayout();
+ const AttributeSet &PAL = F->getAttributes();
const TargetLowering *TLI = TM.getTargetLowering();
Function::const_arg_iterator I, E;
unsigned paramIndex = 0;
O << "(\n";
for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, paramIndex++) {
- const Type *Ty = I->getType();
+ Type *Ty = I->getType();
if (!first)
O << ",\n";
if (llvm::isImage(*I)) {
std::string sname = I->getName();
if (llvm::isImageWriteOnly(*I))
- O << "\t.param .surfref " << *CurrentFnSym << "_param_" << paramIndex;
+ O << "\t.param .surfref " << *getSymbol(F) << "_param_"
+ << paramIndex;
else // Default image is read_only
- O << "\t.param .texref " << *CurrentFnSym << "_param_" << paramIndex;
- }
- else // Should be llvm::isSampler(*I)
- O << "\t.param .samplerref " << *CurrentFnSym << "_param_"
- << paramIndex;
+ O << "\t.param .texref " << *getSymbol(F) << "_param_"
+ << paramIndex;
+ } else // Should be llvm::isSampler(*I)
+ O << "\t.param .samplerref " << *getSymbol(F) << "_param_"
+ << paramIndex;
continue;
}
- if (PAL.paramHasAttr(paramIndex+1, Attribute::ByVal) == false) {
+ if (PAL.hasAttribute(paramIndex + 1, Attribute::ByVal) == false) {
+ if (Ty->isVectorTy()) {
+ // Just print .param .b8 .align <a> .param[size];
+ // <a> = PAL.getparamalignment
+ // size = typeallocsize of element type
+ unsigned align = PAL.getParamAlignment(paramIndex + 1);
+ if (align == 0)
+ align = TD->getABITypeAlignment(Ty);
+
+ unsigned sz = TD->getTypeAllocSize(Ty);
+ O << "\t.param .align " << align << " .b8 ";
+ printParamName(I, paramIndex, O);
+ O << "[" << sz << "]";
+
+ continue;
+ }
// Just a scalar
const PointerType *PTy = dyn_cast<PointerType>(Ty);
if (isKernelFunc) {
if (nvptxSubtarget.getDrvInterface() != NVPTX::CUDA) {
Type *ETy = PTy->getElementType();
int addrSpace = PTy->getAddressSpace();
- switch(addrSpace) {
+ switch (addrSpace) {
default:
O << ".ptr ";
break;
- case llvm::ADDRESS_SPACE_CONST_NOT_GEN:
+ case llvm::ADDRESS_SPACE_CONST:
O << ".ptr .const ";
break;
case llvm::ADDRESS_SPACE_SHARED:
O << ".ptr .shared ";
break;
case llvm::ADDRESS_SPACE_GLOBAL:
- case llvm::ADDRESS_SPACE_CONST:
O << ".ptr .global ";
break;
}
- O << ".align " << (int)getOpenCLAlignment(TD, ETy) << " ";
+ O << ".align " << (int) getOpenCLAlignment(TD, ETy) << " ";
}
printParamName(I, paramIndex, O);
continue;
}
// non-pointer scalar to kernel func
- O << "\t.param ."
- << getPTXFundamentalTypeStr(Ty) << " ";
+ O << "\t.param .";
+ // Special case: predicate operands become .u8 types
+ if (Ty->isIntegerTy(1))
+ O << "u8";
+ else
+ O << getPTXFundamentalTypeStr(Ty);
+ O << " ";
printParamName(I, paramIndex, O);
continue;
}
// Non-kernel function, just print .param .b<size> for ABI
- // and .reg .b<size> for non ABY
+ // and .reg .b<size> for non-ABI
unsigned sz = 0;
if (isa<IntegerType>(Ty)) {
sz = cast<IntegerType>(Ty)->getBitWidth();
- if (sz < 32) sz = 32;
- }
- else if (isa<PointerType>(Ty))
+ if (sz < 32)
+ sz = 32;
+
} else if (isa<PointerType>(Ty))
sz = thePointerTy.getSizeInBits();
else
sz = Ty->getPrimitiveSizeInBits();
// param has byVal attribute. So should be a pointer
const PointerType *PTy = dyn_cast<PointerType>(Ty);
- assert(PTy &&
- "Param with byval attribute should be a pointer type");
+ assert(PTy && "Param with byval attribute should be a pointer type");
Type *ETy = PTy->getElementType();
if (isABI || isKernelFunc) {
// Just print .param .b8 .align <a> .param[size];
// <a> = PAL.getparamalignment
// size = typeallocsize of element type
- unsigned align = PAL.getParamAlignment(paramIndex+1);
+ unsigned align = PAL.getParamAlignment(paramIndex + 1);
+ if (align == 0)
+ align = TD->getABITypeAlignment(ETy);
+
unsigned sz = TD->getTypeAllocSize(ETy);
- O << "\t.param .align " << align
- << " .b8 ";
+ O << "\t.param .align " << align << " .b8 ";
printParamName(I, paramIndex, O);
O << "[" << sz << "]";
continue;
// each vector element.
SmallVector<EVT, 16> vtparts;
ComputeValueVTs(*TLI, ETy, vtparts);
- for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ for (unsigned i = 0, e = vtparts.size(); i != e; ++i) {
unsigned elems = 1;
EVT elemtype = vtparts[i];
if (vtparts[i].isVector()) {
elemtype = vtparts[i].getVectorElementType();
}
- for (unsigned j=0,je=elems; j!=je; ++j) {
+ for (unsigned j = 0, je = elems; j != je; ++j) {
unsigned sz = elemtype.getSizeInBits();
- if (elemtype.isInteger() && (sz < 32)) sz = 32;
+ if (elemtype.isInteger() && (sz < 32))
+ sz = 32;
O << "\t.reg .b" << sz << " ";
printParamName(I, paramIndex, O);
- if (j<je-1) O << ",\n";
+ if (j < je - 1)
+ O << ",\n";
++paramIndex;
}
- if (i<e-1)
+ if (i < e - 1)
O << ",\n";
}
--paramIndex;
emitFunctionParamList(F, O);
}
-
-void NVPTXAsmPrinter::
-setAndEmitFunctionVirtualRegisters(const MachineFunction &MF) {
+void NVPTXAsmPrinter::setAndEmitFunctionVirtualRegisters(
+ const MachineFunction &MF) {
SmallString<128> Str;
raw_svector_ostream O(Str);
const MachineFrameInfo *MFI = MF.getFrameInfo();
int NumBytes = (int) MFI->getStackSize();
if (NumBytes) {
- O << "\t.local .align " << MFI->getMaxAlignment() << " .b8 \t"
- << DEPOTNAME
- << getFunctionNumber() << "[" << NumBytes << "];\n";
+ O << "\t.local .align " << MFI->getMaxAlignment() << " .b8 \t" << DEPOTNAME
+ << getFunctionNumber() << "[" << NumBytes << "];\n";
if (nvptxSubtarget.is64Bit()) {
O << "\t.reg .b64 \t%SP;\n";
O << "\t.reg .b64 \t%SPL;\n";
- }
- else {
+ } else {
O << "\t.reg .b32 \t%SP;\n";
O << "\t.reg .b32 \t%SPL;\n";
}
// register number and the per class virtual register number.
// We use the per class virtual register number in the ptx output.
unsigned int numVRs = MRI->getNumVirtRegs();
- for (unsigned i=0; i< numVRs; i++) {
+ for (unsigned i = 0; i < numVRs; i++) {
unsigned int vr = TRI->index2VirtReg(i);
const TargetRegisterClass *RC = MRI->getRegClass(vr);
- std::map<unsigned, unsigned> ®map = VRidGlobal2LocalMap[RC->getID()];
+ DenseMap<unsigned, unsigned> ®map = VRegMapping[RC];
int n = regmap.size();
- regmap.insert(std::make_pair(vr, n+1));
+ regmap.insert(std::make_pair(vr, n + 1));
}
// Emit register declarations
// @TODO: Extract out the real register usage
- O << "\t.reg .pred %p<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .s16 %rc<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .s16 %rs<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .s32 %r<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .s64 %rl<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .f32 %f<" << NVPTXNumRegisters << ">;\n";
- O << "\t.reg .f64 %fl<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .pred %p<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .s16 %rc<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .s16 %rs<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .s32 %r<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .s64 %rl<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .f32 %f<" << NVPTXNumRegisters << ">;\n";
+ // O << "\t.reg .f64 %fl<" << NVPTXNumRegisters << ">;\n";
// Emit declaration of the virtual registers or 'physical' registers for
// each register class
- //for (unsigned i=0; i< numRegClasses; i++) {
- // std::map<unsigned, unsigned> ®map = VRidGlobal2LocalMap[i];
- // const TargetRegisterClass *RC = TRI->getRegClass(i);
- // std::string rcname = getNVPTXRegClassName(RC);
- // std::string rcStr = getNVPTXRegClassStr(RC);
- // //int n = regmap.size();
- // if (!isNVPTXVectorRegClass(RC)) {
- // O << "\t.reg " << rcname << " \t" << rcStr << "<"
- // << NVPTXNumRegisters << ">;\n";
- // }
-
- // Only declare those registers that may be used. And do not emit vector
- // registers as
- // they are all elementized to scalar registers.
- //if (n && !isNVPTXVectorRegClass(RC)) {
- // if (RegAllocNilUsed) {
- // O << "\t.reg " << rcname << " \t" << rcStr << "<" << (n+1)
- // << ">;\n";
- // }
- // else {
- // O << "\t.reg " << rcname << " \t" << StrToUpper(rcStr)
- // << "<" << 32 << ">;\n";
- // }
- //}
- //}
+ for (unsigned i=0; i< TRI->getNumRegClasses(); i++) {
+ const TargetRegisterClass *RC = TRI->getRegClass(i);
+ DenseMap<unsigned, unsigned> ®map = VRegMapping[RC];
+ std::string rcname = getNVPTXRegClassName(RC);
+ std::string rcStr = getNVPTXRegClassStr(RC);
+ int n = regmap.size();
+
+ // Only declare those registers that may be used.
+ if (n) {
+ O << "\t.reg " << rcname << " \t" << rcStr << "<" << (n+1)
+ << ">;\n";
+ }
+ }
OutStreamer.EmitRawText(O.str());
}
-
void NVPTXAsmPrinter::printFPConstant(const ConstantFP *Fp, raw_ostream &O) {
- APFloat APF = APFloat(Fp->getValueAPF()); // make a copy
+ APFloat APF = APFloat(Fp->getValueAPF()); // make a copy
bool ignored;
unsigned int numHex;
const char *lead;
- if (Fp->getType()->getTypeID()==Type::FloatTyID) {
+ if (Fp->getType()->getTypeID() == Type::FloatTyID) {
numHex = 8;
lead = "0f";
- APF.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven,
- &ignored);
+ APF.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven, &ignored);
} else if (Fp->getType()->getTypeID() == Type::DoubleTyID) {
numHex = 16;
lead = "0d";
- APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
- &ignored);
+ APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
} else
llvm_unreachable("unsupported fp type");
O << utohexstr(API.getZExtValue());
}
-void NVPTXAsmPrinter::printScalarConstant(Constant *CPV, raw_ostream &O) {
- if (ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
+void NVPTXAsmPrinter::printScalarConstant(const Constant *CPV, raw_ostream &O) {
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
O << CI->getValue();
return;
}
- if (ConstantFP *CFP = dyn_cast<ConstantFP>(CPV)) {
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CPV)) {
printFPConstant(CFP, O);
return;
}
O << "0";
return;
}
- if (GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
- O << *Mang->getSymbol(GVar);
+ if (const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
+ O << *getSymbol(GVar);
return;
}
- if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
- Value *v = Cexpr->stripPointerCasts();
- if (GlobalValue *GVar = dyn_cast<GlobalValue>(v)) {
- O << *Mang->getSymbol(GVar);
+ if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ const Value *v = Cexpr->stripPointerCasts();
+ if (const GlobalValue *GVar = dyn_cast<GlobalValue>(v)) {
+ O << *getSymbol(GVar);
return;
} else {
O << *LowerConstant(CPV, *this);
llvm_unreachable("Not scalar type found in printScalarConstant()");
}
-
-void NVPTXAsmPrinter::bufferLEByte(Constant *CPV, int Bytes,
+void NVPTXAsmPrinter::bufferLEByte(const Constant *CPV, int Bytes,
AggBuffer *aggBuffer) {
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
if (isa<UndefValue>(CPV) || CPV->isNullValue()) {
int s = TD->getTypeAllocSize(CPV->getType());
- if (s<Bytes)
+ if (s < Bytes)
s = Bytes;
aggBuffer->addZeros(s);
return;
case Type::IntegerTyID: {
const Type *ETy = CPV->getType();
- if ( ETy == Type::getInt8Ty(CPV->getContext()) ){
+ if (ETy == Type::getInt8Ty(CPV->getContext())) {
unsigned char c =
(unsigned char)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
ptr = &c;
aggBuffer->addBytes(ptr, 1, Bytes);
- } else if ( ETy == Type::getInt16Ty(CPV->getContext()) ) {
- short int16 =
- (short)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
- ptr = (unsigned char*)&int16;
+ } else if (ETy == Type::getInt16Ty(CPV->getContext())) {
+ short int16 = (short)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
+ ptr = (unsigned char *)&int16;
aggBuffer->addBytes(ptr, 2, Bytes);
- } else if ( ETy == Type::getInt32Ty(CPV->getContext()) ) {
- if (ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
- int int32 =(int)(constInt->getZExtValue());
- ptr = (unsigned char*)&int32;
+ } else if (ETy == Type::getInt32Ty(CPV->getContext())) {
+ if (const ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
+ int int32 = (int)(constInt->getZExtValue());
+ ptr = (unsigned char *)&int32;
aggBuffer->addBytes(ptr, 4, Bytes);
break;
- } else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
- if (ConstantInt *constInt =
- dyn_cast<ConstantInt>(ConstantFoldConstantExpression(
- Cexpr, TD))) {
- int int32 =(int)(constInt->getZExtValue());
- ptr = (unsigned char*)&int32;
+ } else if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ if (const ConstantInt *constInt = dyn_cast<ConstantInt>(
+ ConstantFoldConstantExpression(Cexpr, TD))) {
+ int int32 = (int)(constInt->getZExtValue());
+ ptr = (unsigned char *)&int32;
aggBuffer->addBytes(ptr, 4, Bytes);
break;
}
}
}
llvm_unreachable("unsupported integer const type");
- } else if (ETy == Type::getInt64Ty(CPV->getContext()) ) {
- if (ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
- long long int64 =(long long)(constInt->getZExtValue());
- ptr = (unsigned char*)&int64;
+ } else if (ETy == Type::getInt64Ty(CPV->getContext())) {
+ if (const ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
+ long long int64 = (long long)(constInt->getZExtValue());
+ ptr = (unsigned char *)&int64;
aggBuffer->addBytes(ptr, 8, Bytes);
break;
- } else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
- if (ConstantInt *constInt = dyn_cast<ConstantInt>(
- ConstantFoldConstantExpression(Cexpr, TD))) {
- long long int64 =(long long)(constInt->getZExtValue());
- ptr = (unsigned char*)&int64;
+ } else if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ if (const ConstantInt *constInt = dyn_cast<ConstantInt>(
+ ConstantFoldConstantExpression(Cexpr, TD))) {
+ long long int64 = (long long)(constInt->getZExtValue());
+ ptr = (unsigned char *)&int64;
aggBuffer->addBytes(ptr, 8, Bytes);
break;
}
}
case Type::FloatTyID:
case Type::DoubleTyID: {
- ConstantFP *CFP = dyn_cast<ConstantFP>(CPV);
- const Type* Ty = CFP->getType();
+ const ConstantFP *CFP = dyn_cast<ConstantFP>(CPV);
+ const Type *Ty = CFP->getType();
if (Ty == Type::getFloatTy(CPV->getContext())) {
- float float32 = (float)CFP->getValueAPF().convertToFloat();
- ptr = (unsigned char*)&float32;
+ float float32 = (float) CFP->getValueAPF().convertToFloat();
+ ptr = (unsigned char *)&float32;
aggBuffer->addBytes(ptr, 4, Bytes);
} else if (Ty == Type::getDoubleTy(CPV->getContext())) {
double float64 = CFP->getValueAPF().convertToDouble();
- ptr = (unsigned char*)&float64;
+ ptr = (unsigned char *)&float64;
aggBuffer->addBytes(ptr, 8, Bytes);
- }
- else {
+ } else {
llvm_unreachable("unsupported fp const type");
}
break;
}
case Type::PointerTyID: {
- if (GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
+ if (const GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
aggBuffer->addSymbol(GVar);
- }
- else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
- Value *v = Cexpr->stripPointerCasts();
+ } else if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ const Value *v = Cexpr->stripPointerCasts();
aggBuffer->addSymbol(v);
}
unsigned int s = TD->getTypeAllocSize(CPV->getType());
case Type::VectorTyID:
case Type::StructTyID: {
if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV) ||
- isa<ConstantStruct>(CPV)) {
+ isa<ConstantStruct>(CPV) || isa<ConstantDataSequential>(CPV)) {
int ElementSize = TD->getTypeAllocSize(CPV->getType());
bufferAggregateConstant(CPV, aggBuffer);
- if ( Bytes > ElementSize )
- aggBuffer->addZeros(Bytes-ElementSize);
- }
- else if (isa<ConstantAggregateZero>(CPV))
+ if (Bytes > ElementSize)
+ aggBuffer->addZeros(Bytes - ElementSize);
+ } else if (isa<ConstantAggregateZero>(CPV))
aggBuffer->addZeros(Bytes);
else
llvm_unreachable("Unexpected Constant type");
}
}
-void NVPTXAsmPrinter::bufferAggregateConstant(Constant *CPV,
+void NVPTXAsmPrinter::bufferAggregateConstant(const Constant *CPV,
AggBuffer *aggBuffer) {
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
int Bytes;
// Old constants
}
if (const ConstantDataSequential *CDS =
- dyn_cast<ConstantDataSequential>(CPV)) {
+ dyn_cast<ConstantDataSequential>(CPV)) {
if (CDS->getNumElements())
for (unsigned i = 0; i < CDS->getNumElements(); ++i)
bufferLEByte(cast<Constant>(CDS->getElementAsConstant(i)), 0,
return;
}
-
if (isa<ConstantStruct>(CPV)) {
if (CPV->getNumOperands()) {
StructType *ST = cast<StructType>(CPV->getType());
for (unsigned i = 0, e = CPV->getNumOperands(); i != e; ++i) {
- if ( i == (e - 1))
+ if (i == (e - 1))
Bytes = TD->getStructLayout(ST)->getElementOffset(0) +
- TD->getTypeAllocSize(ST)
- - TD->getStructLayout(ST)->getElementOffset(i);
+ TD->getTypeAllocSize(ST) -
+ TD->getStructLayout(ST)->getElementOffset(i);
else
- Bytes = TD->getStructLayout(ST)->getElementOffset(i+1) -
- TD->getStructLayout(ST)->getElementOffset(i);
- bufferLEByte(cast<Constant>(CPV->getOperand(i)), Bytes,
- aggBuffer);
+ Bytes = TD->getStructLayout(ST)->getElementOffset(i + 1) -
+ TD->getStructLayout(ST)->getElementOffset(i);
+ bufferLEByte(cast<Constant>(CPV->getOperand(i)), Bytes, aggBuffer);
}
}
return;
// buildTypeNameMap - Run through symbol table looking for type names.
//
-
bool NVPTXAsmPrinter::isImageType(const Type *Ty) {
std::map<const Type *, std::string>::iterator PI = TypeNameMap.find(Ty);
- if (PI != TypeNameMap.end() &&
- (!PI->second.compare("struct._image1d_t") ||
- !PI->second.compare("struct._image2d_t") ||
- !PI->second.compare("struct._image3d_t")))
+ if (PI != TypeNameMap.end() && (!PI->second.compare("struct._image1d_t") ||
+ !PI->second.compare("struct._image2d_t") ||
+ !PI->second.compare("struct._image3d_t")))
return true;
return false;
}
+
+bool NVPTXAsmPrinter::ignoreLoc(const MachineInstr &MI) {
+ switch (MI.getOpcode()) {
+ default:
+ return false;
+ case NVPTX::CallArgBeginInst:
+ case NVPTX::CallArgEndInst0:
+ case NVPTX::CallArgEndInst1:
+ case NVPTX::CallArgF32:
+ case NVPTX::CallArgF64:
+ case NVPTX::CallArgI16:
+ case NVPTX::CallArgI32:
+ case NVPTX::CallArgI32imm:
+ case NVPTX::CallArgI64:
+ case NVPTX::CallArgParam:
+ case NVPTX::CallVoidInst:
+ case NVPTX::CallVoidInstReg:
+ case NVPTX::Callseq_End:
+ case NVPTX::CallVoidInstReg64:
+ case NVPTX::DeclareParamInst:
+ case NVPTX::DeclareRetMemInst:
+ case NVPTX::DeclareRetRegInst:
+ case NVPTX::DeclareRetScalarInst:
+ case NVPTX::DeclareScalarParamInst:
+ case NVPTX::DeclareScalarRegInst:
+ case NVPTX::StoreParamF32:
+ case NVPTX::StoreParamF64:
+ case NVPTX::StoreParamI16:
+ case NVPTX::StoreParamI32:
+ case NVPTX::StoreParamI64:
+ case NVPTX::StoreParamI8:
+ case NVPTX::StoreRetvalF32:
+ case NVPTX::StoreRetvalF64:
+ case NVPTX::StoreRetvalI16:
+ case NVPTX::StoreRetvalI32:
+ case NVPTX::StoreRetvalI64:
+ case NVPTX::StoreRetvalI8:
+ case NVPTX::LastCallArgF32:
+ case NVPTX::LastCallArgF64:
+ case NVPTX::LastCallArgI16:
+ case NVPTX::LastCallArgI32:
+ case NVPTX::LastCallArgI32imm:
+ case NVPTX::LastCallArgI64:
+ case NVPTX::LastCallArgParam:
+ case NVPTX::LoadParamMemF32:
+ case NVPTX::LoadParamMemF64:
+ case NVPTX::LoadParamMemI16:
+ case NVPTX::LoadParamMemI32:
+ case NVPTX::LoadParamMemI64:
+ case NVPTX::LoadParamMemI8:
+ case NVPTX::PrototypeInst:
+ case NVPTX::DBG_VALUE:
+ return true;
+ }
+ return false;
+}
+
/// PrintAsmOperand - Print out an operand for an inline asm expression.
///
bool NVPTXAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant,
- const char *ExtraCode,
- raw_ostream &O) {
+ const char *ExtraCode, raw_ostream &O) {
if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
+ if (ExtraCode[1] != 0)
+ return true; // Unknown modifier.
switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
case 'r':
break;
}
return false;
}
-bool NVPTXAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode,
- raw_ostream &O) {
+bool NVPTXAsmPrinter::PrintAsmMemoryOperand(
+ const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant,
+ const char *ExtraCode, raw_ostream &O) {
if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier
+ return true; // Unknown modifier
O << '[';
printMemOperand(MI, OpNo, O);
return false;
}
-bool NVPTXAsmPrinter::ignoreLoc(const MachineInstr &MI)
-{
- switch(MI.getOpcode()) {
+void NVPTXAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
+ raw_ostream &O, const char *Modifier) {
+ const MachineOperand &MO = MI->getOperand(opNum);
+ switch (MO.getType()) {
+ case MachineOperand::MO_Register:
+ if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
+ if (MO.getReg() == NVPTX::VRDepot)
+ O << DEPOTNAME << getFunctionNumber();
+ else
+ O << NVPTXInstPrinter::getRegisterName(MO.getReg());
+ } else {
+ emitVirtualRegister(MO.getReg(), O);
+ }
+ return;
+
+ case MachineOperand::MO_Immediate:
+ if (!Modifier)
+ O << MO.getImm();
+ else if (strstr(Modifier, "vec") == Modifier)
+ printVecModifiedImmediate(MO, Modifier, O);
+ else
+ llvm_unreachable(
+ "Don't know how to handle modifier on immediate operand");
+ return;
+
+ case MachineOperand::MO_FPImmediate:
+ printFPConstant(MO.getFPImm(), O);
+ break;
+
+ case MachineOperand::MO_GlobalAddress:
+ O << *getSymbol(MO.getGlobal());
+ break;
+
+ case MachineOperand::MO_MachineBasicBlock:
+ O << *MO.getMBB()->getSymbol();
+ return;
+
default:
- return false;
- case NVPTX::CallArgBeginInst: case NVPTX::CallArgEndInst0:
- case NVPTX::CallArgEndInst1: case NVPTX::CallArgF32:
- case NVPTX::CallArgF64: case NVPTX::CallArgI16:
- case NVPTX::CallArgI32: case NVPTX::CallArgI32imm:
- case NVPTX::CallArgI64: case NVPTX::CallArgI8:
- case NVPTX::CallArgParam: case NVPTX::CallVoidInst:
- case NVPTX::CallVoidInstReg: case NVPTX::Callseq_End:
- case NVPTX::CallVoidInstReg64:
- case NVPTX::DeclareParamInst: case NVPTX::DeclareRetMemInst:
- case NVPTX::DeclareRetRegInst: case NVPTX::DeclareRetScalarInst:
- case NVPTX::DeclareScalarParamInst: case NVPTX::DeclareScalarRegInst:
- case NVPTX::StoreParamF32: case NVPTX::StoreParamF64:
- case NVPTX::StoreParamI16: case NVPTX::StoreParamI32:
- case NVPTX::StoreParamI64: case NVPTX::StoreParamI8:
- case NVPTX::StoreParamS32I8: case NVPTX::StoreParamU32I8:
- case NVPTX::StoreParamS32I16: case NVPTX::StoreParamU32I16:
- case NVPTX::StoreParamScalar2F32: case NVPTX::StoreParamScalar2F64:
- case NVPTX::StoreParamScalar2I16: case NVPTX::StoreParamScalar2I32:
- case NVPTX::StoreParamScalar2I64: case NVPTX::StoreParamScalar2I8:
- case NVPTX::StoreParamScalar4F32: case NVPTX::StoreParamScalar4I16:
- case NVPTX::StoreParamScalar4I32: case NVPTX::StoreParamScalar4I8:
- case NVPTX::StoreParamV2F32: case NVPTX::StoreParamV2F64:
- case NVPTX::StoreParamV2I16: case NVPTX::StoreParamV2I32:
- case NVPTX::StoreParamV2I64: case NVPTX::StoreParamV2I8:
- case NVPTX::StoreParamV4F32: case NVPTX::StoreParamV4I16:
- case NVPTX::StoreParamV4I32: case NVPTX::StoreParamV4I8:
- case NVPTX::StoreRetvalF32: case NVPTX::StoreRetvalF64:
- case NVPTX::StoreRetvalI16: case NVPTX::StoreRetvalI32:
- case NVPTX::StoreRetvalI64: case NVPTX::StoreRetvalI8:
- case NVPTX::StoreRetvalScalar2F32: case NVPTX::StoreRetvalScalar2F64:
- case NVPTX::StoreRetvalScalar2I16: case NVPTX::StoreRetvalScalar2I32:
- case NVPTX::StoreRetvalScalar2I64: case NVPTX::StoreRetvalScalar2I8:
- case NVPTX::StoreRetvalScalar4F32: case NVPTX::StoreRetvalScalar4I16:
- case NVPTX::StoreRetvalScalar4I32: case NVPTX::StoreRetvalScalar4I8:
- case NVPTX::StoreRetvalV2F32: case NVPTX::StoreRetvalV2F64:
- case NVPTX::StoreRetvalV2I16: case NVPTX::StoreRetvalV2I32:
- case NVPTX::StoreRetvalV2I64: case NVPTX::StoreRetvalV2I8:
- case NVPTX::StoreRetvalV4F32: case NVPTX::StoreRetvalV4I16:
- case NVPTX::StoreRetvalV4I32: case NVPTX::StoreRetvalV4I8:
- case NVPTX::LastCallArgF32: case NVPTX::LastCallArgF64:
- case NVPTX::LastCallArgI16: case NVPTX::LastCallArgI32:
- case NVPTX::LastCallArgI32imm: case NVPTX::LastCallArgI64:
- case NVPTX::LastCallArgI8: case NVPTX::LastCallArgParam:
- case NVPTX::LoadParamMemF32: case NVPTX::LoadParamMemF64:
- case NVPTX::LoadParamMemI16: case NVPTX::LoadParamMemI32:
- case NVPTX::LoadParamMemI64: case NVPTX::LoadParamMemI8:
- case NVPTX::LoadParamRegF32: case NVPTX::LoadParamRegF64:
- case NVPTX::LoadParamRegI16: case NVPTX::LoadParamRegI32:
- case NVPTX::LoadParamRegI64: case NVPTX::LoadParamRegI8:
- case NVPTX::LoadParamScalar2F32: case NVPTX::LoadParamScalar2F64:
- case NVPTX::LoadParamScalar2I16: case NVPTX::LoadParamScalar2I32:
- case NVPTX::LoadParamScalar2I64: case NVPTX::LoadParamScalar2I8:
- case NVPTX::LoadParamScalar4F32: case NVPTX::LoadParamScalar4I16:
- case NVPTX::LoadParamScalar4I32: case NVPTX::LoadParamScalar4I8:
- case NVPTX::LoadParamV2F32: case NVPTX::LoadParamV2F64:
- case NVPTX::LoadParamV2I16: case NVPTX::LoadParamV2I32:
- case NVPTX::LoadParamV2I64: case NVPTX::LoadParamV2I8:
- case NVPTX::LoadParamV4F32: case NVPTX::LoadParamV4I16:
- case NVPTX::LoadParamV4I32: case NVPTX::LoadParamV4I8:
- case NVPTX::PrototypeInst: case NVPTX::DBG_VALUE:
- return true;
+ llvm_unreachable("Operand type not supported.");
+ }
+}
+
+void NVPTXAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
+ raw_ostream &O, const char *Modifier) {
+ printOperand(MI, opNum, O);
+
+ if (Modifier && !strcmp(Modifier, "add")) {
+ O << ", ";
+ printOperand(MI, opNum + 1, O);
+ } else {
+ if (MI->getOperand(opNum + 1).isImm() &&
+ MI->getOperand(opNum + 1).getImm() == 0)
+ return; // don't print ',0' or '+0'
+ O << "+";
+ printOperand(MI, opNum + 1, O);
}
- return false;
}
+
// Force static initialization.
extern "C" void LLVMInitializeNVPTXBackendAsmPrinter() {
RegisterAsmPrinter<NVPTXAsmPrinter> X(TheNVPTXTarget32);
RegisterAsmPrinter<NVPTXAsmPrinter> Y(TheNVPTXTarget64);
}
-
void NVPTXAsmPrinter::emitSrcInText(StringRef filename, unsigned line) {
std::stringstream temp;
- LineReader * reader = this->getReader(filename.str());
+ LineReader *reader = this->getReader(filename.str());
temp << "\n//";
temp << filename.str();
temp << ":";
this->OutStreamer.EmitRawText(Twine(temp.str()));
}
-
LineReader *NVPTXAsmPrinter::getReader(std::string filename) {
- if (reader == NULL) {
- reader = new LineReader(filename);
+ if (reader == NULL) {
+ reader = new LineReader(filename);
}
if (reader->fileName() != filename) {
delete reader;
- reader = new LineReader(filename);
+ reader = new LineReader(filename);
}
return reader;
}
-
-std::string
-LineReader::readLine(unsigned lineNum) {
+std::string LineReader::readLine(unsigned lineNum) {
if (lineNum < theCurLine) {
theCurLine = 0;
- fstr.seekg(0,std::ios::beg);
+ fstr.seekg(0, std::ios::beg);
}
while (theCurLine < lineNum) {
- fstr.getline(buff,500);
+ fstr.getline(buff, 500);
theCurLine++;
}
return buff;
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